Home / 21,731,062.80-32,600,530.80-10,921,159.20

Finding the Fourth Proportional to 21,731,062.80, 32,600,530.80 and 10,921,159.20

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Solution

The fourth proportional to 21,731,062.80, 32,600,530.80 and 10,921,159.20 is: 16,383,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,062.80 : 32,600,530.80 = 10,921,159.20 : x
  2. Step 2: Convert to fraction form
    21,731,062.80/32,600,530.80 = 10,921,159.20/x
  3. Step 3: Cross multiply
    21,731,062.80x = 32,600,530.80 × 10,921,159.20
  4. Step 4: Simplify right side
    21,731,062.80x = 356,035,586,871,303.38
  5. Step 5: Solve for x
    x = 356,035,586,871,303.38/21,731,062.80
  6. Step 6: Final answer
    x = 16,383,717.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.